Attachment I Project Drawings.pdf

PDF 9 MB Posted

Attached to
Wilcon Lake Dam Overtopping Protection
Solicitation number
IFB-114970
Issued by
Dinwiddie County, Virginia

About this file

This is a set of project drawings and technical specifications for the Wilcox Lake Dam Overtopping Protection project in Petersburg, Virginia, prepared by Timmons Group and dated February 21, 2025. The project consists of installing HydroTurf CS overtopping protection on the downstream face of the existing earthen Wilcox Lake Dam, an 18.7-acre recreational facility. The scope of work includes installation of a structured geomembrane system, engineered synthetic turf, geotextile layers, a toe drain system with perforated PVC pipe, Class I riprap placement, and concrete anchor trenches at the top and toe of the slope. The total site disturbance is approximately 1.30 acres (56,694.63 square feet). Cross-sectional drawings show the installation details across multiple stations from 0+00 to 6+28.22, with proposed concrete anchor trenches, HydroTurf placement, and drainage components specified throughout. The project is classified as a maintenance activity required for DCR Dam Safety Compliance and is exempt from stormwater management regulations but subject to Virginia Erosion & Sediment Control regulations.

The technical specifications require HydroTurf CS units by Watershed Geosynthetics as the primary product, with specific alternative materials allowed only upon professional evaluation and third-party hydraulic performance testing submitted two weeks before the bid date. Geotextile must be Mirafi 140N or SKAPS GT142; geomembrane must be AGRU 50-mil LLDPE Super Grip Net or approved equal; and synthetic turf must be Type II field/olive/field/jute in 75% green and 25% tan coloring. Installation requires certified Watershed Geosynthetics installers with DemTech training and engineered turf welding credentials. The project plans include temporary sediment and erosion control measures, including silt fence installation, temporary construction entrances, and permanent and temporary seeding in accordance with the Virginia Erosion and Sediment Control Handbook. All construction must comply with Virginia Department of Transportation standards, City of Petersburg requirements, and the Virginia Storm Water Management Handbook, with the most stringent standard governing in case of conflicts.

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PROJECT SITE

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J. MESSNER

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M. CLAUD

CITY OF PETERSBURG, VIRGINIA

VICINITY MAP

SCALE: 1" = 1000'

FEBRUARY 21, 2025

WILCOX LAKE DAM OVERTOPPING

PROTECTION

SITE PLAN APPROVAL

CITY OF PETERSBURG, VA

PLANNING & CD:

CODE COMPLIANCE:

PUBLIC WORKS:

UTILITIES:

POLICE:

FIRE MARSHALL:

PLAN NOTES:

N.T.S.

CITY OF PETERSBURG

VIRGINIA STORMWATER MANAGEMENT PROGRAM:

THIS PROJECT IS A MAINTENANCE ACTIVITY REQUIRED FOR DCR DAM SAFETY COMPLIANCE AND IS

THEREFORE EXEMPT FROM STORMWATER MANAGEMENT REGULATIONS.

VIRGINIA EROSION & SEDIMENT CONTROL:

THIS PROJECT IS CONSIDERED A CHESAPEAKE BAY PRESERVATION ACT LAND-DISTURBING ACTIVITY

AND IS THEREFORE SUBJECT TO ESC REGULATIONS. REGISTRATION UNDER THE CONSTRUCTION

GENERAL PERMIT IS REQUIRED BECAUSE THE SITE DISTURBANCE IS 1.58 ACRE.

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

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Sheet List Table Sheet Number Sheet Title

C0.00 COVER SHEET

C1.00 CONSTRUCTION NOTES AND DETAILS

C2.00 WILCOX LAKE DAM EXISTING CONDITIONS &

DEMOLITION PLAN

C3.00 EROSION AND SEDIMENT CONTROL PLAN

C3.01 EROSION & SEDIMENT CONTROL NOTES &

DETAILS

C4.00 SITE LAYOUT PLAN

C4.01 CROSS SECTIONS

C4.02 CROSS SECTIONS

C4.03 CROSS SECTIONS

C4.04 CROSS SECTIONS

C4.05 CROSS SECTIONS

AutoCAD SHX Text

NAD83

1. THIS PROJECT IS DESIGNED WITH HYDROTURF (R) CS UNITS BY WATERSHED GEOSYNTHETICS.

ANY ALTERNATIVE PRODUCT CONSIDERED MUST MEET SPECIFIC CRITERIA: A PROFESSIONAL

EVALUATION ADHERING TO THE VIRGINIA SOIL AND WATER CONSERVATION BOARD'S

GUIDANCE, STAMPED AND SUBMITTED TWO WEEKS BEFORE BID DATE. ADDITIONALLY, ALL

ALTERNATIVES MUST BE SUBMITTED FOR APPROVAL AND SURPASS THE HYDRAULIC

PERFORMANCE OF HYDROTURF CS, SUPPORTED BY HYDRAULIC JUMP DATA FROM AN

INDEPENDENT THIRD-PARTY WATER RESEARCH LABORATORY.

2. THE GEOTEXTILE SHALL BE MIRAFI 140N, SKAPS GT142, OR APPROVED EQUAL.

3. GEOMEMBRANE

A. THE GEOMEMBRANE SHALL BE AGRU 50-MIL LLDPE SUPER GRIP NET GEOMEMBRANE OR

APPROVED EQUAL.

B. GEOMEMBRANE SHALL BE SUPPLIED BY WATERSHED GEOSYNTHETICS AS A COMPONENT

OF THE HYDROTURF CS REVETMENT SYSTEM.

4. SYNTHETIC TURF

A. TYPE II - FIELD/OLIVE/FIELD/JUTE (75% GREEN & 25% TAN)

5. INSTALLATION OF HYDROTURF CS MANDATES AN APPROVED WG INSTALLER. INSTALLERS

MUST BE DEMTECH TRAINED AND CERTIFIED FOR ENGINEERED TURF WELDING.

CREDENTIALS MUST BE SUBMITTED TO THE ENGINEER OF RECORD FOR APPROVAL

BEFORE INSTALLATION.

HYDROTURF NOTES

HYDROTURF DESIGN INFORMATION

NOTE: THE HYDROTURF DESIGN REPORT IS THE PROPERTY OF WATERSHEDGEO AND IS NOT TO BE

USED WITHOUT THE EXPRESSED WRITTEN PERMISSION OF WATERSHEDGEO.

OVERTOPPING STORM INFORMATION

NOTE: SPILLWAY DESIGN FLOOD (SDF) FOR WILCOX LAKE DAM IS THE 0.9 PMP STORM EVENT.

TOE OF SLOPE

BACKFILL WITH

CLASS A4

CONCRETE

HYDROTURFTM CS

TOE OF SLOPE TERMINATIONA

SECTION N.T.S.

2'

GEOTEXTILE

(MIRAFI 140N,

SKAPS GT142,

OR APPROVED

EQUAL)

2' MIN.

1' MIN.

VDOT STD. CLASS I RIP RAP

TO EXTEND 2' BEYOND END

OF HYDROTURFTM CS

SPILLWAY LINE

THICKNESS = 24"

PREPARED SLOPE

SURFACE

TYPICAL CLEANOUT &

HYDROTURFTM CS PLACEMENT

A

DETAIL N.T.S.5

PANELLA TYPE CLEANOUT WITH

COUNTERSUNK HEAD & SCREW TOP LID.

HYDROTURFTM CS

SEE DETAIL A3 ON

THIS SHEET.

STRUCTURED

GEOMEMBRANE

4"Ø PERFORATED OR

SLOTTED PVC PIPE

GEOTEXTILE

(MIRAFI 140N, SKAPS GT142, OR APPROVED EQUAL)

BACKFILL WITH

CLASS A4

CONCRETE.

4"Ø PVC

CLEANOUT

VDOT #21B

STONE

~1' ~1'

SEE DETAIL

A7 THIS SHEET

FOR TERMINATION

BOOT DETAIL

Notes:

2. The structured geomembrane shall not extend up the outside wall of the trench. It shall be trimmed short of the outside wall and

3. The engineered synthetic turf component of HydroTurf CS shall be in intimate contact with the structured geomembrane. Wrinkles, ripples, fish mouths, and/or bunching shall be removed and properly patched. The engineered synthetic turf shall be trimmed so that it the depth of the trench.

shall extend a minimum of 3 4 of the width of the trench.

does not extend onto the bottom of the trench. It shall be trimmed just short of the bottom and shall extend a minimum of 3 4 of

R

R1. The structured geomembrane component of HydroTurf CS shall be in intimate contact with the Top of Slope & Flank Termination trench (see Detail A4) inside wall and bottom. Wrinkles, ripples, fish mouths, and/or bunching shall be removed and properly patched.

During filling of the trench with the concrete backfill, the contractor shall maintain that the geomembrane is in intimate contact with the trench wall and bottom. Concrete backfill shall be vibrated in place in accordance with standard industry techniques.

HYDROTURFTM CS

SEE FIGURE 5

1' MIN.

BACKFILL WITH CLASS

A4 CONCRETE

2' MIN.

2' MIN.

SEE NOTE 1

SEE NOTE 2

SEE NOTE 3

NOTES:

1. THE STRUCTURED GEOMEMBRANE COMPONENT OF HYDROTURF™ CS SHALL BE IN INTIMATE CONTACT WITH THE ANCHOR

TRENCH INSIDE WALL AND BOTTOM. WRINKLES, RIPPLES, FISH MOUTHS, AND/OR BUNCHING SHALL BE REMOVED AND PROPERLY PATCHED. DURING FILLING OF THE ANCHOR TRENCH WITH THE CONCRETE BACKFILL, THE CONTRACTOR SHALL MAINTAIN THAT THE GEOMEMBRANE IS IN INTIMATE CONTACT WITH THE TRENCH WALL AND BOTTOM. CONCRETE BACKFILL

SHALL BE VIBRATED IN PLACE IN ACCORDANCE WITH STANDARD INDUSTRY TECHNIQUES.

2. THE STRUCTURED GEOMEMBRANE SHALL NOT EXTEND UP THE OUTSIDE WALL OF THE ANCHOR TRENCH. IT SHALL BE TRIMMED SHORT OF THE OUTSIDE WALL AND SHALL EXTEND A MINIMUM OF ¾ OF THE WIDTH OF THE ANCHOR TRENCH.

3. THE ENGINEERED SYNTHETIC TURF COMPONENT OF HYDROTURF™ CS SHALL BE IN INTIMATE CONTACT WITH THE STRUCTURED GEOMEMBRANE. WRINKLES, RIPPLES, FISH MOUTHS, AND/OR BUNCHING SHALL BE REMOVED AND PROPERLY PATCHED. THE ENGINEERED SYNTHETIC TURF SHALL BE TRIMMED SO THAT IT DOES NOT EXTEND ONTO THE BOTTOM OF THE ANCHOR TRENCH.

IT SHALL BE TRIMMED JUST SHORT OF THE BOTTOM AND SHALL EXTEND A MINIMUM OF ¾ OF THE DEPTH OF THE ANCHOR

TRENCH.

HYDROTURFTM CS FLANK TERMINATIONA

SECTION N.T.S.4

HYDROBINDER

ENGINEERED TURF

STRUCTURED

GEOMEMBRANE

4" VDOT

#21B STONE

GEOTEXTILE

(MIRAFI 140N. SKAPS GT142, OR APPROVED EQUAL)

HYDROTURFTM CSA

SECTION N.T.S.3

HYDROTURFTM CS

A

SECTION N.T.S.2

TOE DRAIN DETAIL

HydroTurf CS by Watershed Geosynthetics See Detail A3

Add 3 4" Dia. Weep Hole Every 2' On Center Through Engineered Turf & HydroBinder Only

Backfill with 4000 psi Concrete

Drain Stone

1'

Geocomposite SKAPS Transnet 270-2-8 or approved equal

4" Dia. Perforated or Slotted PVC Pipe

4" Dia. PVC Solid Pipe (at locations show on plan sheet)

See Note 3

See Note 1 See Note 2

1' min.

1' min.

1' Geotextile

Mirafi 140N, SKAPS GT142, or approved equal

1' min.

Rip Rap

R

R

4" Dia. Clean

CLAMP

GASKET

STRUCTURED

GEOMEMBRANE

HYDROTURFTM TERMINATION BOOT

AT CLEANOUTA

SECTION N.T.S.7

CONCRETE

4"Ø PVC

CLEANOUT

VDOT #21B

STONE

Storm Event Frequency (12-hr)

Peak Flow

CFS

Peak WSE, ft.

Overtopping Depth (Wilcox Lake El.

=104.00 ft.)

0.9 PMP 8973.3 111.6 7.6

Full PMP 10118.8 112.0 8.0

VDOT

HYDROTURFTM CS

SEE FIGURE 52' MIN.

NOTES:

1. THE STRUCTURED GEOMEMBRANE COMPONENT OF HYDROTURF™ CS SHALL BE IN INTIMATE CONTACT WITH THE ANCHOR

TRENCH INSIDE WALL AND BOTTOM. WRINKLES, RIPPLES, FISH MOUTHS, AND/OR BUNCHING SHALL BE REMOVED AND PROPERLY PATCHED. DURING FILLING OF THE ANCHOR TRENCH WITH THE CONCRETE BACKFILL, THE CONTRACTOR SHALL MAINTAIN THAT THE GEOMEMBRANE IS IN INTIMATE CONTACT WITH THE TRENCH WALL AND BOTTOM. CONCRETE BACKFILL

SHALL BE VIBRATED IN PLACE IN ACCORDANCE WITH STANDARD INDUSTRY TECHNIQUES.

2. THE STRUCTURED GEOMEMBRANE SHALL NOT EXTEND UP THE OUTSIDE WALL OF THE ANCHOR TRENCH. IT SHALL BE TRIMMED SHORT OF THE OUTSIDE WALL AND SHALL EXTEND A MINIMUM OF ¾ OF THE WIDTH OF THE ANCHOR TRENCH.

3. THE ENGINEERED SYNTHETIC TURF COMPONENT OF HYDROTURF™ CS SHALL BE IN INTIMATE CONTACT WITH THE STRUCTURED GEOMEMBRANE. WRINKLES, RIPPLES, FISH MOUTHS, AND/OR BUNCHING SHALL BE REMOVED AND PROPERLY PATCHED. THE ENGINEERED SYNTHETIC TURF SHALL BE TRIMMED SO THAT IT DOES NOT EXTEND ONTO THE BOTTOM OF THE ANCHOR TRENCH.

IT SHALL BE TRIMMED JUST SHORT OF THE BOTTOM AND SHALL EXTEND A MINIMUM OF ¾ OF THE DEPTH OF THE ANCHOR

TRENCH.

HYDROTURFTM CS FLANK TERMINATION

A

SECTION N.T.S.6

AT EXISTING BUILDING

EXISTING BUILDING

EXISTING GRADE

1' MIN.

BACKFILL WITH CLASS

A4 CONCRETE 2' MIN.

SEE NOTE 1

SEE NOTE 2

SEE NOTE 3

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AutoCAD SHX Text SITE INFORMATION: LAND OWNER / DEVELOPER: CITY OF PETERSBURG, VIRGINIA C/O DARRYL WALKER 1616 DEFENSE ROAD PETERSBURG, VA 23805 PHONE: 804 733-2357 804 733-2357 1. THE SUBJECT PARCEL SHOWN HEREON IS OWNED BY THE CITY OF THE SUBJECT PARCEL SHOWN HEREON IS OWNED BY THE CITY OF PETERSBURG (PARCEL 052130004) 2. THE TOPOGRAPHIC AND EXISTING UTILITY SURVEY WAS PREPARED THE TOPOGRAPHIC AND EXISTING UTILITY SURVEY WAS PREPARED BY TIMMONS GROUP 04/02/2018 TO 04/03/2018. HORIZONTAL COORDINATES ARE BASED UPON THE NAD 83 VIRGINIA NORTH ZONE COORDINATE SYSTEM; THE UNITS ARE EXPRESSED USING THE U.S. SURVEY FOOT; VERTICAL DATUM IS NAVD 1988. 3. SOILS INFORMATION SHOWN HEREON IS TAKEN FROM THE NRCS SOILS INFORMATION SHOWN HEREON IS TAKEN FROM THE NRCS SOIL SURVEY GEOGRAPHIC DATABASE. 4. THE PROJECT SITE LIES WITHIN A FEMA ZONE A (AREAS SUBJECT THE PROJECT SITE LIES WITHIN A FEMA ZONE A (AREAS SUBJECT TO INUNDATION BY THE 1 PERCENT ANNUAL CHANCE FLOOD EVENT DETERMINED BY DETAILED METHODS) DESIGNATED AREA AS SHOWN ON FIRM PANEL 5101540216E. 5. THERE ARE NO KNOWN HISTORIC, ARCHITECTURE, OR THERE ARE NO KNOWN HISTORIC, ARCHITECTURE, OR ARCHAEOLOGICAL SITES ON THE SUBJECT PROPERTY. 6. THIS PLAN HAS BEEN PREPARED WITHOUT BENEFIT OF A TITLE THIS PLAN HAS BEEN PREPARED WITHOUT BENEFIT OF A TITLE REPORT AND THEREFORE DOES NOT NECESSARILY INDICATE ALL ENCUMBRANCES ON THE PROPERTY. 7. EXISTING UTILITIES CONSIST OF STORM DRAINAGE, UNDERGROUND EXISTING UTILITIES CONSIST OF STORM DRAINAGE, UNDERGROUND POWER LINES AND UNDERGROUND TELEPHONE LINES. 8. SEDIMENT & EROSION CONTROL WILL BE PROVIDED IN ACCORDANCE SEDIMENT & EROSION CONTROL WILL BE PROVIDED IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 9. TOTAL DISTURBED AREA - 56,694.63 FT (1.30 AC) TOTAL DISTURBED AREA - ± 56,694.63 FT2 (1.30 AC) GENERAL CONSTRUCTION NOTES: ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE STANDARDS SET FORTH IN THE LATEST VERSION OF THE VIRGINIA STORM WATER MANAGEMENT HANDBOOK, VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE STANDARDS, AND THE CITY OF PETERSBURG STORMWATER MANAGEMENT DESIGN MANUAL. IN THE EVENT OF CONFLICT BETWEEN ANY OF THESE STANDARDS, SPECIFICATIONS, OR PLANS, THE MOST STRINGENT SHALL GOVERN. 1. THE SITE CONTRACTOR IS RESPONSIBLE FOR MAINTAINING THE SITE CONTRACTOR IS RESPONSIBLE FOR MAINTAINING (ON-SITE) AND REFERENCING DETAIL MANUALS FOR THE ABOVE LISTED AGENCIES. THE CONTRACTOR SHALL NOTIFY THE CITY ENGINEER PRIOR TO CONSTRUCTION IF CONFLICTS OR DISCREPANCIES ARISE BETWEEN THE APPROVED CDs AND AGENCY DETAILS AND MANUALS. 2. CALL "MISS UTILITY" 48 HOURS PRIOR TO THE START OF CALL "MISS UTILITY" 48 HOURS PRIOR TO THE START OF EXCAVATION. VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES IN AREA OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT THE ENGINEER AND THE CITY OF PETERSBURG IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT INDICATED. IF THERE APPEARS TO BE A CONFLICT, AND UPON DISCOVERY OF ANY UTILITY NOT INDICATED, CALL "MISS UTILITY" AT 1-800-257-7777 (TOLL FREE). 3. ACQUIRE ANY AND ALL NECESSARY CONSTRUCTION PERMITS ACQUIRE ANY AND ALL NECESSARY CONSTRUCTION PERMITS REQUIRED TO COMPLETE THE SITE WORK AND FURNISH COPIES TO THE OWNER. ANY WORK DONE WITHIN THE CITY RIGHT-OF-WAY REQUIRES A CITY OF PETERSBURG RIGHT-OF-WAY PERMIT. CONTACT BRIAN COPPLE, CITY ENGINEER, PHONE (804) 400-5798, EMAIL:BCOPPLE@PETERSBURG-VA.ORG. 4. ALL WORK SHALL BE SUBJECT TO INSPECTION BY DESIGNATED ALL WORK SHALL BE SUBJECT TO INSPECTION BY DESIGNATED CITY OF PETERSBURG, STAFF. NOTIFY THE CHIEF INSPECTOR 48 HOURS PRIOR TO START OF WORK. 5. DRAIN ALL DISTURBED AREAS TO APPROVED SEDIMENT CONTROL DRAIN ALL DISTURBED AREAS TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 6. BURNING OF CONSTRUCTION OR DEMOLITION MATERIALS IS NOT BURNING OF CONSTRUCTION OR DEMOLITION MATERIALS IS NOT PERMITTED ON SITE. 7. THE APPROVAL OF THESE PLANS SHALL IN NO WAY RELIEVE THE THE APPROVAL OF THESE PLANS SHALL IN NO WAY RELIEVE THE CONTRACTOR OF COMPLYING WITH OTHER APPLICABLE LOCAL, STATE AND FEDERAL REQUIREMENTS. 8. THE CONTRACTOR SHALL BE RESPONSIBLE FOR SETTING THE THE CONTRACTOR SHALL BE RESPONSIBLE FOR SETTING THE HORIZONTAL AND VERTICAL SURVEY CONTROLS AND TO STAKE OUT THE LOCATION OF ALL PROPOSED STRUCTURES. 9. EROSION & SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED EROSION & SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED CONTINUOUSLY, RELOCATED WHEN AND AS NECESSARY AND SHALL BE CHECKED AFTER EVERY SIGNIFICANT RAINFALL. SEEDED AREAS SHALL BE CHECKED REGULARLY AND SHALL BE WATERED, FERTILIZED, RESEEDED, AND MULCHED AS NECESSARY TO OBTAIN A DENSE STAND OF GRASS. 10. ALL UTILITIES SHALL BE RELOCATED AS NECESSARY PRIOR TO ALL UTILITIES SHALL BE RELOCATED AS NECESSARY PRIOR TO CONSTRUCTION. 11. THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE TO EXISTING THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE TO EXISTING ROADS AND UTILITIES WHICH OCCUR AS A RESULT OF PROJECT CONSTRUCTION. 12. ALL CONSTRUCTION AND MATERIALS SHALL CONFORM TO THE ALL CONSTRUCTION AND MATERIALS SHALL CONFORM TO THE MOST CURRENT CITY OF PETERSBURG AND VDOT STANDARDS AND SPECIFICATIONS. 13. THE CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING THE CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING TRUCKS AND/OR EQUIPMENT OF MUD. IT IS THE CONTRACTORS RESPONSIBILITY TO CLEAN STREETS OF MUD AND/OR DUST, OR TAKE WHATEVER MEASURES NECESSARY TO ENSURE THAT THE STREETS ARE KEPT IN A CLEAN AND DUST FREE CONDITION AT ALL TIMES. 14. THE CONTRACTOR SHALL VISIT THE SITE AND SHALL VERIFY THE CONTRACTOR SHALL VISIT THE SITE AND SHALL VERIFY EXISTING CONDITIONS PRIOR TO STARTING CONSTRUCTION. 15. THE CONTRACTOR SHALL CLEAR THE SITE OF ALL TREES, THE CONTRACTOR SHALL CLEAR THE SITE OF ALL TREES, BUILDINGS, FOUNDATIONS, ETC. WITHIN THE LIMITS OF OF CONSTRUCTION, AND SHALL BE RESPONSIBLE FOR COORDINATING ANY DISCONNECTION OF EXISTING UTILITIES. 16. BEGIN EXCAVATION ALONG EXISTING DOWNSTREAM FACE OF DAM BEGIN EXCAVATION ALONG EXISTING DOWNSTREAM FACE OF DAM FOR PLACEMENT OF THE HYDROTURF, DRAINAGE LAYER COMPONENTS, TOE DRAIN, AND RIPRAP. 17. PLACE GEOTEXTILE, STONE, AND GEOMEMBRANE AS SHOWN IN THE PLACE GEOTEXTILE, STONE, AND GEOMEMBRANE AS SHOWN IN THE DETAILS ON THIS SHEET. 18. PLACE HYDROTURF AS SHOWN ON THE PLANS AND IN PLACE HYDROTURF AS SHOWN ON THE PLANS AND IN ACCORDANCE WITH THE DETAILS ON THIS SHEET. 19. ONCE HYDROTURF HAS BEEN PLACED, SEED ANY ADJACENT, ONCE HYDROTURF HAS BEEN PLACED, SEED ANY ADJACENT, DISTURBED AREAS IN ACCORDANCE WITH THE SEEDING NOTES ON SHEET C3.01. DO NOT PLACE TOPSOIL OR SEED ON TOP OF C3.01. DO NOT PLACE TOPSOIL OR SEED ON TOP OF . DO NOT PLACE TOPSOIL OR SEED ON TOP OF HYDROTURF PRODUCT.

CITY OF PETERSBURG

D.B. 318 PG.799

PID: 052130004

TANGLEWOOD

APARTMENT EQUITIES

INST. #202200350

1700 JOHNSON RD.

UTILITY POLE

EDGE OF WOODS

EDGE OF PAVEMENT

EDGE OF PAVEMENT

EDGE OF PAVEMENT

T

X

WIRE FENCE

EDGE OF WOODS

EDGE OF GRAVEL

EDGE OF WOODS

UTILITY POLE

UTILITY POLE

UTILITY POLE WITH LIGHT

APPROX. LOCATION STORM PIPE UNDERWATER

APPROX. LOCATION

STORM PIPE UNDERWATER

UTILITY POLE WITH LIGHT

WOOD GUARDRAIL

CONCRETE WALL

WOOD GUARDRAIL

DRAINAGE INLET

INV.=83.74'INV.=83.87'

APPROX. DIRECTION STORM PIPE

12" IRON PIPE

INV.=92.89'

DRAINAGE MANHOLE

24" DECIDUOUS

42" DECIDUOUS

12" DECIDUOUS

12" DECIDUOUS

18" DECIDUOUS

30" DECIDUOUS

30" DECIDUOUS

36" DECIDUOUS

EDGE OF PAVEMENT

ROAD STRIPE

BUILDING

EDGE OF WATER

PICNIC TABLE

EDGE OF PAVEMENT

12" DECIDUOUS

STONE WALL

STONE WALL

CONCRETE WALL

EDGE OF SHRUBS

EDGE OF SHRUBS

EDGE OF WOODS

EDGE OF WOODS

EDGE OF WATER

HANDRAIL

HANDRAIL

24" HOLLY TREE

WOOD

BRIDGE

WOOD WALKWAY

WOOD WALL

WOOD WALL

BRICK WALL

BRICK WALL

EDGE OF CONCRETE

BRICK STEP

BRICK STEPS

EDGE OF GRAVELD

15" DECIDUOUS TREE

12" DECIDUOUS TREE

S

D

UTILITY POLE

24" RCP

INV.=92.60'

DRAINAGE MANHOLE CANNOT OPEN

UGP

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24'' SAN

24'' SAN

24'' SAN

24'' SAN

24'' SAN

24'' SAN

EDGE OF WATER

12" DECIDUOUS

10" DECIDUOUS

CONCRETE PUMP HOUSE

FF=95.37'

STONE WALL

10" DECIDUOUS

INV.(NW)=78.10'

INV.(N)=77.88'

INV.(S)=77.97'

24'' SAN

HANDRAIL

INV.=101.81'

INV.=99.99'

UTILITY POLE

EDGE OF SHRUBS

DEFENSE ROAD

OHU

OHU

OHU

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FF=110.86'

ROOF

OVERHANG

EDGE OF WOODS

BM-B-SPIKE #56

N:3599018.2254 E:11801680.9086

EL.=109.21'

BM-ROD/CAP #50

N:3599003.0161 E:11801692.3519

EL.=111.32'

BM-GPS CP MAG #51

N:3599243.1525 E:11801585.4386

EL.=95.21'

BM-ROD/CAP #52

N:3599226.1845 E:11801323.9152

EL.=96.62'

BM-ROD/CAP #53

N:3598970.9478

E:11801293.0533

EL.=110.53'

BM-A-SPIKE #57

N:3599237.3798

E:11801265.7273

EL.=101.11'

INV.=76.37'

DEFENSE ROAD

GUARDRAIL

LIMITS OF

FIELD SURVEY

EX. WOOD GUARDRAIL

TO BE REMOVED

EX. WOOD GUARDRAIL

TO BE REMOVED

EX. BOLLARDS (4) TO

BE REMOVED

EXISTING UNDERGROUND UTILITIES IN AREA,

CONTRACTOR TO USE CAUTION WHEN EXCAVATING

FOR STONE AND HYDROTURF INSTALLATIONS

EX. CONCRETE TO

BE REMOVED

EXISTING UNDERGROUND UTILITIES IN AREA,

CONTRACTOR TO USE CAUTION WHEN EXCAVATING

FOR STONE AND HYDROTURF INSTALLATIONS

EX. TREES TO

BE REMOVED

EX. CONCRETE SIDWALKS

TO BE REMOVED

EX. CHAIN LINK FENCE

TO BE REMOVED

EX. CRACKED CONCRETE

WALL TO BE REMOVED

AND REPLACED

EX. BUMPER BLOCKS (5)

TO BE REMOVED

CAUTION: OVERHEAD

POWER LINESCAUTION: OVERHEAD

POWER LINES

EX. TREE

TO BE REMOVED

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43752.026

2/21/2025

LIMITS OF

FIELD SURVEY

CITY OF PETERSBURG

D.B. 318 PG.799

PID: 052130004

TANGLEWOOD

APARTMENT EQUITIES

INST. #202200350

1700 JOHNSON RD.

UTILITY POLE

EDGE OF WOODS

EDGE OF PAVEMENT

EDGE OF PAVEMENT

EDGE OF PAVEMENT

T

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WIRE FENCE

EDGE OF WOODS

EDGE OF GRAVEL

EDGE OF WOODS

UTILITY POLE

UTILITY POLE

UTILITY POLE WITH LIGHT

APPROX. LOCATION STORM PIPE UNDERWATER

APPROX. LOCATION

STORM PIPE UNDERWATER

UTILITY POLE WITH LIGHT

WOOD GUARDRAIL

CONCRETE WALL

WOOD GUARDRAIL

DRAINAGE INLET

INV.=83.74'INV.=83.87'

APPROX. DIRECTION STORM PIPE

12" IRON PIPE

INV.=92.89'

DRAINAGE MANHOLE

24" DECIDUOUS

42" DECIDUOUS

12" DECIDUOUS

12" DECIDUOUS

30" DECIDUOUS

30" DECIDUOUS

36" DECIDUOUS

EDGE OF PAVEMENT

ROAD STRIPE

BUILDING

EDGE OF WATER

PICNIC TABLE

EDGE OF PAVEMENT

12" DECIDUOUS

STONE WALL

STONE WALL

CONCRETE WALL

EDGE OF SHRUBS

EDGE OF SHRUBS

EDGE OF WOODS

EDGE OF WOODS

EDGE OF WATER

HANDRAIL

HANDRAIL

WOOD

BRIDGE

WOOD WALKWAY

WOOD WALL

WOOD WALL

BRICK WALL

BRICK WALL

EDGE OF CONCRETE

BRICK STEP

BRICK STEPS

EDGE OF GRAVELD

15" DECIDUOUS TREE

12" DECIDUOUS TREE

S

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UTILITY POLE

24" RCP

INV.=92.60'

DRAINAGE MANHOLE CANNOT OPEN

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24'' SAN

24'' SAN

24'' SAN

24'' SAN

24'' SAN

EDGE OF WATER

CONCRETE PUMP HOUSE

FF=95.37'

STONE WALL

INV.(NW)=78.10'

INV.(N)=77.88'

INV.(S)=77.97'

24'' SAN

HANDRAIL

INV.=101.81'

INV.=99.99'

UTILITY POLE

EDGE OF SHRUBS

DEFENSE ROAD

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

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FF=110.86'

ROOF

OVERHANG

EDGE OF WOODS

BM-B-SPIKE #56

N:3599018.2254 E:11801680.9086

EL.=109.21'

BM-ROD/CAP #50

N:3599003.0161 E:11801692.3519

EL.=111.32'

BM-GPS CP MAG #51

N:3599243.1525 E:11801585.4386

EL.=95.21'

BM-ROD/CAP #52

N:3599226.1845 E:11801323.9152

EL.=96.62'

BM-ROD/CAP #53

N:3598970.9478

E:11801293.0533

EL.=110.53'

BM-A-SPIKE #57

N:3599237.3798

E:11801265.7273

EL.=101.11'

INV.=76.37'

DEFENSE ROAD

GUARDRAIL

TEMPORARY STAGING/STORAGE

CONSTRUCTION

ACCESS

SF

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LOD

LOD

LOD

LOD

LOD

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D

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D

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D

LO

D

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D

LO

D

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AND STAGING

SILT FENCE

LEGEND

CONSTRUCTION ENTRANCE

SF

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TEMPORARY SEEDING

PERMANENT SEEDING

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JOB NO.

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EROSION AND SEDIMENT CONTROL NARRATIVE

PROJECT DESCRIPTION

THE PROJECT SITE IS LOCATED ALONG DEFENSE ROAD IN THE CITY OF PETERSBURG,

VIRGINIA. THE PROJECT CONSISTS OF THE INSTALLATION HYDROTURF OVERTOPPING

PROTECTION ON THE DOWNSTREAM FACE OF DAM. THE WILCOX LAKE DAM IS AN

EXISTING EARTHEN DAM WITH A 40' WIDE WEIR AND CHANNEL AS THE PRINCIPAL

SPILLWAY AND OVERTOPS THE EXISTING EARTHEN EMBANKMENT AS THE EMERGENCY

SPILLWAY. THE LIMIT OF SITE DISTURBANCE FOR THIS PROJECT IS APPROXIMATELY

1.30 ACRES.

EXISTING SITE CONDITIONS

THE EXISTING SITE IS WITHIN LEGENDS PARK AND CONSISTS OF FORESTED AREAS

SURROUNDING THE EXISTING 18.7 ACRE WILCOX LAKE. THE LAKE IS USED AS A

RECREATIONAL FACILITY AND HAS AN EARTHEN DAM.

OFF-SITE AREAS

THERE WILL BE NO OFF-SITE DISTURBANCE.

CRITICAL AREAS

ALL CONSTRUCTION/DISTURBANCE WITHIN DEFENSE ROAD SHALL HAVE TRAFFIC

CONTROL MEASURES IN PLACE. EROSION AND SEDIMENT CONTROL MEASURES SHALL

BE IMPLEMENTED IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT

CONTROL HANDBOOK, 3RD EDITION. STEEP SLOPES ON THE DOWNSTREAM

EMBANKMENT SHALL BE PROTECTED USING SILT FENCE.

EROSION AND SEDIMENT CONTROL MEASURES

UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND

SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED

ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA

EROSION AND SEDIMENT CONTROL HANDBOOK. THE MINIMUM STANDARDS OF THE

VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A

VARIANCE BY AUTHORITIES HAVING JURISDICTION.

STRUCTURAL PRACTICES

1.TEMPORARY CONSTRUCTION ENTRANCE - 3.02

A TEMPORARY CONSTRUCTION ENTRANCE WITH WASH RACK SHALL BE

INSTALLED WHERE THE ACCESS AREA INTERSECTS WITH A PUBLIC MAINTAINED

ROAD. DURING MUDDY SITE CONDITIONS, DRIVERS OF CONSTRUCTION

VEHICLES WILL BE REQUIRED TO WASH SEDIMENT OFF THE WHEELS BEFORE

ENTERING THE PUBLIC ROADWAY.

2. SILT FENCE - 3.05

A TEMPORARY SEDIMENT BARRIER CONSTRUCTED OF POSTS, FILTER FABRIC AND,

IN SOME CASES, A WIRE SUPPORT FENCE, PLACED ACROSS OR AT THE TOE OF A

SLOPE OR IN A MINOR DRAINAGE WAY TO INTERCEPT AND DETAIN SEDIMENT

AND DECREASE FLOW VELOCITIES FROM DRAINAGE AREAS OF LIMITED SIZE;

APPLICABLE WHERE SHEET AND RILL EROSION OR SMALL CONCENTRATED FLOWS

MAY BE A PROBLEM. MAXIMUM EFFECTIVE LIFE OF 6 MONTHS.

3. TEMPORARY SEEDING -- 3.31

ESTABLISHMENT OF TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS THAT

WILL NOT BE BROUGHT TO FINAL GRADE FOR PERIODS OF 30 DAYS TO ONE YEAR

BY SEEDING WITH APPROPRIATE RAPIDLY-GROWING PLANTS.

4. PERMANENT SEEDING -- 3.32

ALL DENUDED AREAS THAT ARE TO REMAIN DORMANT FOR A PERIOD OF TIME

GREATER THAN 1 YEAR OR MORE ARE TO BE PERMANENT SEEDED. ALL AREAS

THAT HAVE REACHED FINAL GRADE ARE TO BE PERMANENTLY SEEDED AS SOON

AS FINAL GRADE IS REACHED.

PERMANENT STABILIZATION

1.ALL DISTURBED AREAS WITHIN CONSTRUCTION LIMITS WILL BE STABILIZED

ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA

EROSION AND SEDIMENT CONTROL HANDBOOK.

2.SITE MUST BE STABILIZED AT THE END OF EACH DAY.

3.ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL

THEY ARE NO LONGER REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS

OR STATE LAW.

STORMWATER RUNOFF CONSIDERATIONS

1.EXISTING DRAINAGE OUTFALL PATTERNS WILL REMAIN THE SAME.

2.PREDEVELOPMENT CONDITIONS WILL REMAIN THE SAME.

GENERAL EROSION AND SEDIMENT CONTROL NOTES

ES-1UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE

AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING

TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND

SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00

EROSION AND SEDIMENT CONTROL REGULATIONS.

ES-2LOCAL AUTHORITIES HAVING JURISDICTION WILL MAKE A CONTINUING REVIEW

AND EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE E.C. PLAN.

ES-3PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE

FIRST STEP IN CLEARING, GRADING, OR LAND DISTURBANCE.

ES-4MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON

THE SITE AT ALL TIMES.

ES-5PRIOR TO COMMENCING LAND-DISTURBING ACTIVITIES IN AREAS OTHER THAN

INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFFSITE

BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN

TO THE ARCHITECT/ENGINEER FOR REVIEW AND ACCEPTANCE.

ES-6PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT

EROSION AND SEDIMENTATION AS DETERMINED BY THE LOCAL AUTHORITY

HAVING JURISDICTION.

ES-7ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL

MEASURES AT ALL TIMES DURING LAND-DISTURBING ACTIVITIES AND DURING

SITE DEVELOPMENT.

ES-8DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING

DEVICE.

ES-9INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF-

PRODUCING RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO

MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES

IMMEDIATELY.

SILT FENCE NOTES

1.SILT FENCE AND FILTER FABRIC MUST BE ENTRENCHED.

2.POST FOR SILT FENCES SHALL BE EITHER 2.5 X 2 INCH DIAMETER WOOD OR 1.25

POUNDS PER LINEAR FOOT STEEL WITH A MINIMUM LENGTH OF 5 FEET. STEEL

POST SHALL HAVE PROJECTIONS FOR FASTENING WIRE TO THEM.

3.POST SHALL BE SPACED A MAXIMUM OF 6 FEET APART AT THE BARRIER LOCATION

AND DRIVEN SECURELY INTO THE GROUND (MIN. OF 12 INCHES) WHEN EXTRA

STRENGTH FABRIC IS USED.

4.STAPLE OR WIRE THE FILTER FABRIC DIRECTLY TO THE POST. WIRE FENCE

REINFORCEMENT FOR SILT FENCES USING STANDARD STRENGTH FILTER CLOTH

SHALL BE A MINIMUM OF 42 INCHES IN HEIGHT, A MINIMUM OF 14 GAUGE AND

SHALL HAVE A MAXIMUM MESH SPACING OF 6 INCHES.

5.SEDIMENT MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY

ONE-HALF THE HEIGHT OF THE BARRIER.

6.ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE OR FILTER

BARRIER IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH THE

EXISTING GRADE, PREPARED AND SEEDED.

7.SILT FENCE SHALL BE REMOVED UPON COMPLETION OF THE PROJECT.

MINIMUM STANDARDS

MS-1: APPLY PERMANENT SOIL STABILIZATION TO DENUDED AREAS WITHIN SEVEN

DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. APPLY

TEMPORARY SOIL STABILIZATION WITHIN SEVEN DAYS TO DENUDED AREAS THAT

MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR

LONGER THAN 30 DAYS. APPLY PERMANENT STABILIZATION TO AREAS THAT ARE

TO BE LEFT DORMANT FOR MORE THAN ONE YEAR.

MS-2: STABILIZE OR PROTECT TEMPORARY SOIL STOCKPILES WITH SEDIMENT

TRAPPING MEASURES. PROVIDE TEMPORARY PROTECTION AND PERMANENT

STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS SOIL

TRANSPORTED FROM THE PROJECT SITE.

MS-3: ESTABLISH A PERMANENT VEGETATIVE COVER ON DENUDED AREAS NOT

OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE

CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IN THE

OPINION OF THE ARCHITECT/ENGINEER, IS UNIFORM, MATURE ENOUGH TO

SURVIVE AND WILL INHIBIT EROSION.

MS-4: CONSTRUCT SEDIMENT BASINS, TRAPS, PERIMETER DIKES, SEDIMENT

BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT AS A FIRST

STEP IN ANY LAND-DISTURBING ACTIVITY AND MAKE THESE MEASURES

FUNCTIONAL BEFORE UP-SLOPE LAND DISTURBANCE OR TIMBERING TAKES

PLACE.

MS-5: APPLY STABILIZATION MEASURES TO EARTHEN STRUCTURES SUCH AS DAMS,

DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION.

MS-6: CONTROL SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF

FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES TO

ACCOMMODATE THE ANTICIPATED SEDIMENT LOADING FROM THE LAND-

DISTURBING ACTIVITY. THE OUTFALL DEVICE OR SYSTEM DESIGN SHALL TAKE

INTO ACCOUNT THE TOTAL DRAINAGE AREA.

MS-7: CONSTRUCT CUT AND FILL SLOPES IN A MANNER THAT WILL MINIMIZE

EROSION. PROVIDE SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY

WITHIN ONE YEAR OF PERMANENT STABILIZATION WITH ADDITIONAL SLOPE

STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED.

MS-8: CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS

CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME

OR SLOPE DRAIN STRUCTURE.

MS-9: WHENEVER WATER SEEPS FROM A SLOPE FACE, PROVIDE ADEQUATE DRAINAGE

OR OTHER PROTECTION.

MS-10: PROTECT ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING

CONSTRUCTION SO THAT SEDIMENT-LADEN WATER CANNOT ENTER THE

CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED

TO REMOVE SEDIMENT.

MS-11: BEFORE STORMWATER CONVEYANCE CHANNELS ARE MADE OPERATIONAL,

PROVIDE ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR

PERMANENT CHANNEL LINING IN BOTH THE CONVEYANCE CHANNEL AND THE

RECEIVING CHANNEL.

MS-12: WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, TAKE PRECAUTIONS TO

MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE

WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION.

PROVIDE NON-ERODABLE MATERIAL FOR THE CONSTRUCTION OF CAUSEWAYS

AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF

ARMORED BY NON-ERODABLE COVER MATERIALS.

MS-13: WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES

MORE THAN TWICE IN ANY SIX-MONTH PERIOD, PROVIDE A TEMPORARY STREAM

CROSSING CONSTRUCTED OF NON-ERODABLE MATERIAL.

MS-14: MEET ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING

TO WORKING IN OR CROSSING LIVE WATERCOURSES.

MS-15:STABILIZE THE BED AND BANKS OF A WATERCOURSE IMMEDIATELY AFTER

WORK IN THE WATERCOURSE IS COMPLETED.

MS-16: UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH

THESE STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA:

1.OPEN NO MORE THAN 500 LINEAR FEET OF TRENCH AT ONE TIME.

2.PLACE EXCAVATED MATERIAL ON THE UPHILL SIDE OF TRENCHES.

3.FILTER EFFLUENT FROM DEWATERING OPERATIONS OR PASS THROUGH AN

APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGE IN A

MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFFSITE

PROPERTY.

4.ACCOMPLISH RESTABILIZATION IN ACCORDANCE WITH THESE REGULATIONS.

5.COMPLY WITH ALL APPLICABLE SAFETY REGULATIONS.

MS-17: WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED PUBLIC

ROADS, MAKE PROVISIONS TO MINIMIZE THE TRANSPORT OF SEDIMENT BY

VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS

TRANSPORTED ONTO A PUBLIC ROAD SURFACE, CLEAN THE ROAD THOROUGHLY

AT THE END OF EACH DAY. REMOVE SEDIMENT FROM THE ROADS BY SHOVELING

OR SWEEPING AND TRANSPORT TO A SEDIMENT CONTROL DISPOSAL AREA.

STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN

THIS MANNER.

MS-18: REMOVE ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES

WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY

MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE

LOCAL AUTHORITY HAVING JURISDICTION. PERMANENTLY STABILIZE TRAPPED

SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION

OF TEMPORARY MEASURES TO PREVENT FURTHER EROSION AND SEDIMENTATION.

MS-19: PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES

SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE

TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER

RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN

ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA:

1.CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE

DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING

CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS

DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES

AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED.

2.ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED IN THE FOLLOWING

MANNER:

a. THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA

TO THE POINT OF ANALYSIS WITHIN THE CHANNEL IS ONE HUNDRED TIMES

GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF THE PROJECT IN

QUESTION.

b. NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A TWO-YEAR

FREQUENCY STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP

CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL BED OR BANKS.

c. ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE

ANALYZED BY THE USE OF A TEN-YEAR FREQUENCY STORM TO VERIFY THAT

STORMWATER WILL NOT OVERTOP ITS BANKS AND BY THE USE OF A

TWO-YEAR STORM TO DEMONSTRATE THAT STORMWATER WILL NOT CAUSE

EROSION OF CHANNEL BED OR BANKS.

d. PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY THE USE OF

A TEN-YEAR FREQUENCY STORM TO VERIFY THAT STORMWATER WILL BE

CONTAINED WITHIN THE PIPE OR SYSTEM.

3.IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED

MAN-MADE CHANNELS OR PIPES ARE NOT ADEQUATE, THE APPLICANT SHALL:

a. IMPROVE THE CHANNELS TO A CONDITION WHERE A TEN-YEAR

FREQUENCY STORM WILL NOT OVERTOP THE BANKS AND A TWO-YEAR

FREQUENCY STORM WILL NOT CAUSE EROSION TO THE CHANNEL BED OR

BANKS; OR

b. IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE

TEN-YEAR FREQUENCY STORM IS CONTAINED WITHIN THE APPURTENANCES;

OR

c. DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE-DEVELOPMENT

PEAK RUNOFF RATE FROM A TWO-YEAR STORM TO INCREASE WHEN RUNOFF

OUTFALLS INTO A NATURAL CHANNEL OR WILL NOT CAUSE THE

PRE-DEVELOPMENT PEAK RUNOFF RATE FROM A TEN-YEAR STORM TO

INCREASE WHEN RUNOFF OUTFALLS INTO A MAN-MADE CHANNEL.

d. PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER

DETENTION/RETENTION OR OTHER MEASURES WHICH IS SATISFACTORY TO

THE PLAN APPROVING AUTHORITY TO PREVENT DOWNSTREAM EROSION.

4.THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO MAKE THE

IMPROVEMENTS.

5.ALL HYDROLOGIC ANALYSES SHALL BE BASED ON THE EXISTING WATERSHED

CHARACTERISTICS AND THE ULTIMATE DEVELOPMENT CONDITION OF THE

SUBJECT PROJECT.

6.IF THE APPLICANT CHOOSES AN OPTION THAT INCLUDES STORMWATER

DETENTION/ RETENTION, HE SHALL OBTAIN APPROVAL FROM THE LOCALITY OF A

PLAN FOR MAINTENANCE OF THE DETENTION FACILITIES. THE PLAN SHALL SET

FORTH THE MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE PERSON

RESPONSIBLE FOR PERFORMING THE MAINTENANCE.

7.INCREASED VOLUMES OF SHEET FLOWS THAT MAY CAUSE EROSION OR

SEDIMENTATION ON ADJACENT PROPERTY SHALL BE DIVERTED TO A STABLE

OUTLET, ADEQUATE CHANNEL OR DETENTION FACILITY.

8.IN APPLYING THESE STORMWATER MANAGEMENT CRITERIA, INDIVIDUAL LOTS IN

A RESIDENTIAL SUBDIVISION DEVELOPMENT SHALL NOT BE CONSIDERED TO BE

SEPARATE DEVELOPMENT PROJECTS. INSTEAD, THE RESIDENTIAL SUBDIVISION

DEVELOPMENT, AS A WHOLE, SHALL BE CONSIDERED TO BE A SINGLE

DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERS THAT REFLECT THE

ULTIMATE SUBDIVISION DEVELOPMENT SHALL BE USED IN ALL ENGINEERING

CALCULATIONS.

9.PROPOSED COMMERCIAL OR INDUSTRIAL SUBDIVISIONS SHALL APPLY THESE

STORMWATER MANAGEMENT CRITERIA TO THE DEVELOPMENT AS A WHOLE.

HYDROLOGIC PARAMETERS THAT REFLECT THE ULTIMATE SUBDIVISION

DEVELOPMENT SHALL BE USED IN ALL ENGINEERING CALCULATIONS.

PS

TS

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J. MESSNER

M. CLAUD

N.T.S.

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

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CITY OF PETERSBURG

D.B. 318 PG.799

PID: 052130004

TANGLEWOOD

APARTMENT EQUITIES

INST. #202200350

1700 JOHNSON RD.

UTILITY POLE

EDGE OF WOODS

EDGE OF PAVEMENT

EDGE OF PAVEMENT

EDGE OF PAVEMENT

T

X

WIRE FENCE

EDGE OF WOODS

EDGE OF GRAVEL

EDGE OF WOODS

UTILITY POLE

UTILITY POLE

UTILITY POLE WITH LIGHT

APPROX. LOCATION STORM PIPE UNDERWATER

APPROX. LOCATION

STORM PIPE UNDERWATER

UTILITY POLE WITH LIGHT

WOOD GUARDRAIL

CONCRETE WALL

WOOD GUARDRAIL

DRAINAGE INLET

INV.=83.74'INV.=83.87'

APPROX. DIRECTION STORM PIPE

12" IRON PIPE

INV.=92.89'

DRAINAGE MANHOLE

24" DECIDUOUS

42" DECIDUOUS

12" DECIDUOUS

12" DECIDUOUS

30" DECIDUOUS

30" DECIDUOUS

36" DECIDUOUS

EDGE OF PAVEMENT

ROAD STRIPE

BUILDING

EDGE OF WATER

PICNIC TABLE

EDGE OF PAVEMENT

12" DECIDUOUS

STONE WALL

STONE WALL

CONCRETE WALL

EDGE OF SHRUBS

EDGE OF SHRUBS

EDGE OF WOODS

EDGE OF WOODS

EDGE OF WATER

HANDRAIL

HANDRAIL

WOOD

BRIDGE

WOOD WALKWAY

WOOD WALL

WOOD WALL

BRICK WALL

BRICK WALL

EDGE OF CONCRETE

BRICK STEP

BRICK STEPS

EDGE OF GRAVELD

15" DECIDUOUS TREE

12" DECIDUOUS TREE

S

D

UTILITY POLE

24" RCP

INV.=92.60'

DRAINAGE MANHOLE CANNOT OPEN

UGP

E O

I

E O

I

UTL

UTL

UTL

UTL UTL UTL UTL

EOI

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W

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P

UGP

UGT

UGT

UGT

UGT

UG

T

UGT

UG

T

U G

T

U G

T

EOI

UGT

EO

IEO

I

EOI

EOI

24'' SAN

24'' SAN

24'' SAN

24'' SAN

24'' SAN

24'' SAN

EDGE OF WATER

CONCRETE PUMP HOUSE

FF=95.37'

STONE WALL

INV.(NW)=78.10'

INV.(N)=77.88'

INV.(S)=77.97'

24'' SAN

HANDRAIL

INV.=101.81'

INV.=99.99'

UTILITY POLE

EDGE OF SHRUBS

DEFENSE ROAD

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

OHU

X

T

D

D

S

S

FF=110.86'

ROOF

OVERHANG

EDGE OF WOODS

BM-B-SPIKE #56

N:3599018.2254 E:11801680.9086

EL.=109.21'

BM-ROD/CAP #50

N:3599003.0161 E:11801692.3519

EL.=111.32'

BM-GPS CP MAG #51

N:3599243.1525 E:11801585.4386

EL.=95.21'

BM-ROD/CAP #52

N:3599226.1845 E:11801323.9152

EL.=96.62'

BM-ROD/CAP #53

N:3598970.9478

E:11801293.0533

EL.=110.53'

BM-A-SPIKE #57

N:3599237.3798

E:11801265.7273

EL.=101.11'

INV.=76.37'

DEFENSE ROAD

GUARDRAIL

LIMITS OF

FIELD SURVEY

0+

0+

1+

1+50

2+00 2+50 3+00 3+50

4+

4+

5+00

5+50

6+00

6+28.22

X-SEC 0+00

PROPOSED PERFORATED

4" PVC TOE DRAIN W/

CLEANOUTS. REFER TO

DETAILS A2 AND A5 ON

SHEET C1.00.

PROPOSED CLASS I RIPRAP.

REFER TO DETAIL A1 AND A2

ON SHEET C1.00.

PROPOSED TOE OF SLOPE PERIMETER

CONCRETE ANCHOR TRENCH TO BE

INSTALLED. REFER TO DETAIL A1 ON

SHEET C1.00.

PROPOSED TOP OF SLOPE

CONCRETE ANCHOR TRENCH

TO BE INSTALLED. REFER TO

DETAIL A4 ON SHEET C1.00.

PROPOSED TOE OF SLOPE

PERIMETER CONCRETE

ANCHOR TRENCH. REFER TO

DETAIL A1 ON SHEET C1.00.

CONSTRUCT NEW WALL SECTION TO TIE

INTO EXISTING WALL AND INSTALL NEW

CHAINLINK FENCE ALONG TOP OF WALL

(SEE DETAILS SHEET C1.00)

INSTALL NEW CHAINLINK FENCE

ALONG TOP OF WALL

(SEE DETAILS SHEET C1.00)

CAUTION: POWER POLE

AND OVERHEAD LINES

ANCHOR TRENCH

TERMINATION AT

BUILDING, SEE DETAIL

A6 ON SHEET C1.00.

PROPOSED TOP OF SLOPE

CONCRETE ANCHOR TRENCH

TO BE INSTALLED. REFER TO

DETAIL A4 ON SHEET C1.00.

PROPOSED TOE OF SLOPE

PERIMETER CONCRETE

ANCHOR TRENCH. REFER TO

DETAIL A1 ON SHEET C1.00.

PROPOSED SOLID 4" PVC.

REFER TO DETAIL A2 ON

SHEET C1.00.

LEGEND

PROPOSED LIMITS OF HYDROTURF

OVERTOPPING PROTECTION (SEE

DETAILS ON SHEET C1.01)

PROPOSED CONCRETE ANCHOR TRENCH

(SEE DETAILS A2 AND A4 ON SHEET C1.01)

PROPOSED VDOT STD. CLASS I RIPRAP

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J. MESSNER

M. CLAUD

1" = 20'

N A

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SCALE 1"=20'

40'20'

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

D A

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P a nd m ay n ot b e re pr od uc ed in w ho le o r i n pa rt an d sh al l n ot b e us ed fo r a ny p ur po se w ha ts oe ve r, in cl us iv e, b ut n ot lim ite d to c on st ru ct io n, b id di ng

, a nd

/o r c on st ru ct io n st ak in g w ith ou t t he e xp re ss w rit te n co ns en t o f T

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020 0 -20 -40 -60 -80 -100

020 0 -20 -40 -60 -80 -100

02040 0 -20 -40 -60 -80 -100

020 0 -20 -40 -60 -80 -100

020 0 -20 -40 -60 -80

X-SEC 0+00

X-SEC 0+25

X-SEC 0+50

X-SEC 0+75

X-SEC 1+00

EXISTING GROUND

EXISTING GROUND

EXISTING GROUND

EXISTING GROUND

EXISTING GROUND

A

A

A

A

A

A

A

A

A

A

A

A

A

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CALLOUT LEGEND

A

TOE OF SLOPE TERMINATION.

REFER TO SHEET C1.00 FOR DETAIL.

A

PROPOSED TOE DRAIN.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER (SIDE AND TOP

OF SLOPE TERMINATION). REFER TO SHEET C1.00 FOR

DETAIL.

A

HYDROTURF w/DRAINAGE LAYER.

REFER TO SHEET C1.00 FOR DETAIL.

A

TYPICAL CLEANOUT & HYDROTURF.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER OF

EXISTING BUILDING. REFER TO SHEET C1.00 FOR DETAIL.

*CROSS SECTION LEGEND

VDOT STD. CLASS I RIP RAP

CLASS A4 CONCRETE

VDOT #21B STONE

HYDROTURF CS,

ENGINEERED TURF

& HYDROBINDER

*LEGEND NOTE: FOR MORE DETAIL, REFER TO THE HYDROTURF

CONSTRUCTION NOTES AND DETAILS ON SHEET C1.00

L:

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C4.01

C R O

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J. MESSNER

J. MESSNER

M. CLAUD

H: 1" = 20' V: 1" = 4'

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

D A

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DRAWN BY

DATE

R

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Th es e pl an s an d as so ci at ed d oc um en ts a re th e ex cl us iv e pr op er ty o f T

IM

M O

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G R

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P a nd m ay n ot b e re pr od uc ed in w ho le o r i n pa rt an d sh al l n ot b e us ed fo r a ny p ur po se w ha ts oe ve r, in cl us iv e, b ut n ot lim ite d to c on st ru ct io n, b id di ng

, a nd

/o r c on st ru ct io n st ak in g w ith ou t t he e xp re ss w rit te n co ns en t o f T

IM

M

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020 0 -20 -40 -60 -80

020 0 -20 -40 -60 -80

020 0 -20 -40 -60 -80

020 0 -20 -40 -60 -80 -100

X-SEC 1+25 X-SEC 1+75

X-SEC 2+00

X-SEC 2+25

EXISTING GROUND

EXISTING

GROUND

EXISTING

GROUND

EXISTING

GROUND

A

A

A

02040 0 -20 -40 -60 -80

EXISTING

GROUND

A 4 A

A

A

A

A

A 3 A

A

A

A

A

E D

G E

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CALLOUT LEGEND

A

TOE OF SLOPE TERMINATION.

REFER TO SHEET C1.00 FOR DETAIL.

A

PROPOSED TOE DRAIN.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER (SIDE AND TOP

OF SLOPE TERMINATION). REFER TO SHEET C1.00 FOR

DETAIL.

A

HYDROTURF w/DRAINAGE LAYER.

REFER TO SHEET C1.00 FOR DETAIL.

A

TYPICAL CLEANOUT & HYDROTURF.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER OF

EXISTING BUILDING. REFER TO SHEET C1.00 FOR DETAIL.

*CROSS SECTION LEGEND

VDOT STD. CLASS I RIP RAP

CLASS A4 CONCRETE

VDOT #21B STONE

HYDROTURF CS,

ENGINEERED TURF

& HYDROBINDER

*LEGEND NOTE: FOR MORE DETAIL, REFER TO THE HYDROTURF

CONSTRUCTION NOTES AND DETAILS ON SHEET C1.00

L:

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C4.02

C R O

S S S

EC

TI

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J. MESSNER

J. MESSNER

M. CLAUD

H: 1" = 20' V: 1" = 4'

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

D A

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DRAWN BY

DATE

R

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Th es e pl an s an d as so ci at ed d oc um en ts a re th e ex cl us iv e pr op er ty o f T

IM

M O

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G R

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P a nd m ay n ot b e re pr od uc ed in w ho le o r i n pa rt an d sh al l n ot b e us ed fo r a ny p ur po se w ha ts oe ve r, in cl us iv e, b ut n ot lim ite d to c on st ru ct io n, b id di ng

, a nd

/o r c on st ru ct io n st ak in g w ith ou t t he e xp re ss w rit te n co ns en t o f T

IM

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B ou ld er s Pa rk w ay , S ui te

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TI

O N

C

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F

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R S B U

R G

V

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020 0 -20 -40 -60 -80 -100

020 0 -20 -40 -60 -80 -100

020 0 -20 -40 -60 -80

020 0 -20 -40 -60 -80

020 0 -20 -40 -60 -80 -100

X-SEC 2+50

X-SEC 2+75

X-SEC 3+00

X-SEC 3+25

X-SEC 3+50

EXISTING

GROUND

EXISTING

GROUND

EXISTING

GROUND

EXISTING

GROUND

EXISTING

GROUND

A

A

A

A

A

A

A

A

A 3 A

A

A 2 A

A

A

CALLOUT LEGEND

A

TOE OF SLOPE TERMINATION.

REFER TO SHEET C1.00 FOR DETAIL.

A

PROPOSED TOE DRAIN.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER (SIDE AND TOP

OF SLOPE TERMINATION). REFER TO SHEET C1.00 FOR

DETAIL.

A

HYDROTURF w/DRAINAGE LAYER.

REFER TO SHEET C1.00 FOR DETAIL.

A

TYPICAL CLEANOUT & HYDROTURF.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER OF

EXISTING BUILDING. REFER TO SHEET C1.00 FOR DETAIL.

*CROSS SECTION LEGEND

VDOT STD. CLASS I RIP RAP

CLASS A4 CONCRETE

VDOT #21B STONE

HYDROTURF CS,

ENGINEERED TURF

& HYDROBINDER

*LEGEND NOTE: FOR MORE DETAIL, REFER TO THE HYDROTURF

CONSTRUCTION NOTES AND DETAILS ON SHEET C1.00

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C4.03

C R O

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TI

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J. MESSNER

J. MESSNER

M. CLAUD

H: 1" = 20' V: 1" = 4'

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

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020 0 -20 -40 -60 -80 -100

X-SEC 3+75

EXISTING

GROUND

0204060 0 -20 -40 -60 -80 -100

02040 0 -20 -40 -60 -80

02040 0 -20 -40 -60 -80

X-SEC 4+00 X-SEC 4+50

X-SEC 4+25

EXISTING

GROUND

EXISTING

GROUND

EXISTING

GROUND

A

A

A

A

A

A

A

A

A

A

A

A

A 3 A

A

A

A

A

A

A

A

EX. BUILDING

FOOTPRINT

EX. BUILDING

FOOTPRINT

EX. BUILDING

FOOTPRINT

CALLOUT LEGEND

A

TOE OF SLOPE TERMINATION.

REFER TO SHEET C1.00 FOR DETAIL.

A

PROPOSED TOE DRAIN.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER (SIDE AND TOP

OF SLOPE TERMINATION). REFER TO SHEET C1.00 FOR

DETAIL.

A

HYDROTURF w/DRAINAGE LAYER.

REFER TO SHEET C1.00 FOR DETAIL.

A

TYPICAL CLEANOUT & HYDROTURF.

REFER TO SHEET C1.00 FOR DETAIL.

A

CONCRETE ANCHOR TRENCH AT PERIMETER OF

EXISTING BUILDING. REFER TO SHEET C1.00 FOR DETAIL.

*CROSS SECTION LEGEND

VDOT STD. CLASS I RIP RAP

CLASS A4 CONCRETE

VDOT #21B STONE

HYDROTURF CS,

ENGINEERED TURF

& HYDROBINDER

*LEGEND NOTE: FOR MORE DETAIL, REFER TO THE HYDROTURF

CONSTRUCTION NOTES AND DETAILS ON SHEET C1.00

L:

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C4.04

C R O

S S S

EC

TI

O N

S

J. MESSNER

J. MESSNER

M. CLAUD

H: 1" = 20' V: 1" = 4'

JOB NO.

SHEET NO.

SCALE

DESIGNED BY

CHECKED BY

D A

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DRAWN BY

DATE

R

EV

IS

IO

N D

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C R

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TI

O

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Th es e pl an s an d as so ci at ed d oc um en ts a re th e ex cl us iv e pr op er ty o f T

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C…

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